Say Media has laid off 10% of its 400 staff as part of its transformation from an ad network to a “digital media company”, and moves its focus towards its content sites such as ReadWrite and Dogster. This move comes as other media companies such as AOL are trying to rpove the profitability of their content businesses.

Twitter has been working with select business partners in the US to slowly roll out their advertising platform over the last three years. Finally, they have opened the doors to all US companies, with no need for an invite.